Revolving metallic window.



No. 722,305. a PATENTED MAR. `10,` 1903. P. 0. HULTMARK. RBVOLVING METALLIC WINDOW.

APPLIOATIONVFILED JULY 12, 1902.

H0 MODEL.

Nrrn S'rafrns Arnr raten.

PETER O. HULTMARK, OF NEW YORK, N. Y., ASSIGNOR TO JOHN T. LEONARD, OF NEW YORK, N. Y.

REVOLVING METALLIC WINDOW.

SPECIFICATION forming' part of Letters Patent N o. 722,305, dated March 10, 1903.

Application iiled July l2, 1902.

'b @Z 111700711/ t may concern/ Be it known that LPETER OLOF HULTMARK, a citizen of the United States of America, and a resident of the borough of Bronx, New York city, State of New York, have invented certain new and useful Improvements in Revolving Metallic /Vindows, of which the following is a specification.

My invention relates to revolving metallic windows; and it consists of improved means of displacing the stops for allowing the sashes to be revolved and for replacing them when the sashes are replaced in their normal positions, as hereinafter described, reference being made to the accompanying drawings, in which-- Figure l is a front elevation of a window constructed in accordance with my invention with the upper sash partly turned over on its pivots. Fig. 2 is a horizontal section through one stile of the TWindow-frame and through one stile each of the two sashes and parts of the glass panes. Fig. 3 is a vertical section on line 2 2 of Fig. 2. Fig. 4 is a detail showing the cross-section of one of the sash-Stiles of Fig. 2 enlarged for greater clearness.

A represents the frame-Stiles, which are hollow structures of sheet metal, each having two vertical grooves a in the inside face the entire length of the stile, with a rib l) between them. In each groove is a vertical channel-bar c, which is not quite as long as the grooves a and in the bottom of which is a channel d in reverse of the main channel, the said bars being placed with the opening sides of the channels toward the bottoms of the grooves, so that the channels d receive guiding-ribs e of the sash-Stiles f and their sides form the sash-stops, keeping the sash in place and excluding the Wind. The ribs e are not quite as deep as the channels d, and pivot-blocks g are located between the ribs e and the bottoms of said channels midway of the length of the sash-Stiles, with pivots h in them connected to the stiles, and the sashsupporting and counter-balanced chains t' are connected to the blocks g.

The channel-bars chave spacing protuberances j on the ribs, which form the bottoms ot channels d, to bear on the bottoms of the Serial No. 115,339. (No model.)

grooves a and normally project the channelbars outward and make close Contact of the channel-bars c and the edges of the sash- Stiles, in which position of the channel-bars there is considerable space between the inner edges of the channel-bars and the bottoms of the grooves to permit said channelbars to be thrust back when it is desired to release the ribs e from channels d to permit the sashes to be revolved. To enable the said channel-bars to be so thrust back, an opening lo is made through the bottom of each groove a for each protuberance j of each channel-bar just above the locality of each protuberance when the parts are in normal position, and means for shifting said bars upward to permit said protuberances to enter therein and allow the bars to fall back and release ribs c are provided, which in this example consist of a revolving drum Z, applied in suitable bearings m in the framestile, as shown in Figs. 2 and 3, near the bottom of the window, with provision for application 0f a crank for turning it, and being connected by chains n, reversely wound, respectively, with said bars b, so thatv turning the drum to raise the bars will bring the protuberances into the relations with the openings 7c for permitting retraction of the channel-bars to allow the sashes to be revolved, and turning the drum the other way will return the channel-bars with the protuberances j bearing on the bottoms of the grooves a and thrusting out the channel-bars. In this example I have represented the protuberances as bow-strips riveted onto the face of the rib of channel d as a simple construction; but any approved form of protuberance may be used.

For operating the channel-bars c with one pair of chains n said channel-bars are connected to a cross-bar p and the chains are connected to the cross-bar.

It is desirable to employ a detachable crank to the chain-drum, so that the drum cannot 95 be operated Without the crank to prevent accidents which might occur through the operations of meddlesome hands, and for such a crank the angular stud s of the drum-shaft is provided, and it is located within a socket t, roo

protecting it from any crank, except such as is specially adapted to the stud and the socket.

To prevent theribs e from Wearing the paint 0E the ribp and the surfaces of the frame-stile at u when the sashes are rotated, I apply a fender or rib o to the middle of rib p and extending along it lengthwise to fend off said ribs e and protect these surfaces from contact of the rotating ribs e. In this case I have represented said rib as of half-round form; but it may be Hat or any other suitable form, but it Will preferably be of brass, on which the Wear of ribs e on it will show less conspicuously than on other material. Y

What I claim as my invention is- 1. The combination with the grooved framestile having the openings in the bottoms of the grooves, and with the ribbed sash-Stiles,

of the vertically and laterally movable channel-bars in said grooves, and having the reverse channels for the sash-stile ribs, also the PETER O. I-IULTMARK. Witnesses:

C. SEDGWICK, A. P. THAYER. 

